setup-sh7710.c

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/*
 * SH3 Setup code for SH7710, SH7712
 *
 *  Copyright (C) 2006 - 2009  Paul Mundt
 *  Copyright (C) 2007  Nobuhiro Iwamatsu
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/platform_device.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/sh_timer.h>
#include <linux/sh_intc.h>
#include <asm/rtc.h>

enum {
    UNUSED = 0,

    /* interrupt sources */
    IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
    DMAC1, SCIF0, SCIF1, DMAC2, IPSEC,
    EDMAC0, EDMAC1, EDMAC2,
    SIOF0, SIOF1,

    TMU0, TMU1, TMU2,
    RTC, WDT, REF,
};

static struct intc_vect vectors[] __initdata = {
    /* IRQ0->5 are handled in setup-sh3.c */
    INTC_VECT(DMAC1, 0x800), INTC_VECT(DMAC1, 0x820),
    INTC_VECT(DMAC1, 0x840), INTC_VECT(DMAC1, 0x860),
    INTC_VECT(SCIF0, 0x880), INTC_VECT(SCIF0, 0x8a0),
    INTC_VECT(SCIF0, 0x8c0), INTC_VECT(SCIF0, 0x8e0),
    INTC_VECT(SCIF1, 0x900), INTC_VECT(SCIF1, 0x920),
    INTC_VECT(SCIF1, 0x940), INTC_VECT(SCIF1, 0x960),
    INTC_VECT(DMAC2, 0xb80), INTC_VECT(DMAC2, 0xba0),
#ifdef CONFIG_CPU_SUBTYPE_SH7710
    INTC_VECT(IPSEC, 0xbe0),
#endif
    INTC_VECT(EDMAC0, 0xc00), INTC_VECT(EDMAC1, 0xc20),
    INTC_VECT(EDMAC2, 0xc40),
    INTC_VECT(SIOF0, 0xe00), INTC_VECT(SIOF0, 0xe20),
    INTC_VECT(SIOF0, 0xe40), INTC_VECT(SIOF0, 0xe60),
    INTC_VECT(SIOF1, 0xe80), INTC_VECT(SIOF1, 0xea0),
    INTC_VECT(SIOF1, 0xec0), INTC_VECT(SIOF1, 0xee0),
    INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
    INTC_VECT(TMU2, 0x440),
    INTC_VECT(RTC, 0x480), INTC_VECT(RTC, 0x4a0),
    INTC_VECT(RTC, 0x4c0),
    INTC_VECT(WDT, 0x560),
    INTC_VECT(REF, 0x580),
};

static struct intc_prio_reg prio_registers[] __initdata = {
    { 0xfffffee2, 0, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
    { 0xfffffee4, 0, 16, 4, /* IPRB */ { WDT, REF, 0, 0 } },
    { 0xa4000016, 0, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
    { 0xa4000018, 0, 16, 4, /* IPRD */ { 0, 0, IRQ5, IRQ4 } },
    { 0xa400001a, 0, 16, 4, /* IPRE */ { DMAC1, SCIF0, SCIF1 } },
    { 0xa4080000, 0, 16, 4, /* IPRF */ { IPSEC, DMAC2 } },
    { 0xa4080002, 0, 16, 4, /* IPRG */ { EDMAC0, EDMAC1, EDMAC2 } },
    { 0xa4080004, 0, 16, 4, /* IPRH */ { 0, 0, 0, SIOF0 } },
    { 0xa4080006, 0, 16, 4, /* IPRI */ { 0, 0, SIOF1 } },
};

static DECLARE_INTC_DESC(intc_desc, "sh7710", vectors, NULL,
             NULL, prio_registers, NULL);

static struct resource rtc_resources[] = {
    [0] =   {
        .start  = 0xa413fec0,
        .end    = 0xa413fec0 + 0x1e,
        .flags  = IORESOURCE_IO,
    },
    [1] =   {
        .start  = evt2irq(0x480),
        .flags  = IORESOURCE_IRQ,
    },
};

static struct sh_rtc_platform_info rtc_info = {
    .capabilities   = RTC_CAP_4_DIGIT_YEAR,
};

static struct platform_device rtc_device = {
    .name       = "sh-rtc",
    .id     = -1,
    .num_resources  = ARRAY_SIZE(rtc_resources),
    .resource   = rtc_resources,
    .dev        = {
        .platform_data = &rtc_info,
    },
};

static struct plat_sci_port scif0_platform_data = {
    .mapbase    = 0xa4400000,
    .flags      = UPF_BOOT_AUTOCONF,
    .scscr      = SCSCR_TE | SCSCR_RE | SCSCR_REIE |
              SCSCR_CKE1 | SCSCR_CKE0,
    .scbrr_algo_id  = SCBRR_ALGO_2,
    .type       = PORT_SCIF,
    .irqs       = SCIx_IRQ_MUXED(evt2irq(0x880)),
};

static struct platform_device scif0_device = {
    .name       = "sh-sci",
    .id     = 0,
    .dev        = {
        .platform_data  = &scif0_platform_data,
    },
};

static struct plat_sci_port scif1_platform_data = {
    .mapbase    = 0xa4410000,
    .flags      = UPF_BOOT_AUTOCONF,
    .scscr      = SCSCR_TE | SCSCR_RE | SCSCR_REIE |
              SCSCR_CKE1 | SCSCR_CKE0,
    .scbrr_algo_id  = SCBRR_ALGO_2,
    .type       = PORT_SCIF,
    .irqs           = SCIx_IRQ_MUXED(evt2irq(0x900)),
};

static struct platform_device scif1_device = {
    .name       = "sh-sci",
    .id     = 1,
    .dev        = {
        .platform_data  = &scif1_platform_data,
    },
};

static struct sh_timer_config tmu0_platform_data = {
    .channel_offset = 0x02,
    .timer_bit = 0,
    .clockevent_rating = 200,
};

static struct resource tmu0_resources[] = {
    [0] = {
        .start  = 0xa412fe94,
        .end    = 0xa412fe9f,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = evt2irq(0x400),
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device tmu0_device = {
    .name       = "sh_tmu",
    .id     = 0,
    .dev = {
        .platform_data  = &tmu0_platform_data,
    },
    .resource   = tmu0_resources,
    .num_resources  = ARRAY_SIZE(tmu0_resources),
};

static struct sh_timer_config tmu1_platform_data = {
    .channel_offset = 0xe,
    .timer_bit = 1,
    .clocksource_rating = 200,
};

static struct resource tmu1_resources[] = {
    [0] = {
        .start  = 0xa412fea0,
        .end    = 0xa412feab,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = evt2irq(0x420),
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device tmu1_device = {
    .name       = "sh_tmu",
    .id     = 1,
    .dev = {
        .platform_data  = &tmu1_platform_data,
    },
    .resource   = tmu1_resources,
    .num_resources  = ARRAY_SIZE(tmu1_resources),
};

static struct sh_timer_config tmu2_platform_data = {
    .channel_offset = 0x1a,
    .timer_bit = 2,
};

static struct resource tmu2_resources[] = {
    [0] = {
        .start  = 0xa412feac,
        .end    = 0xa412feb5,
        .flags  = IORESOURCE_MEM,
    },
    [1] = {
        .start  = evt2irq(0x440),
        .flags  = IORESOURCE_IRQ,
    },
};

static struct platform_device tmu2_device = {
    .name       = "sh_tmu",
    .id     = 2,
    .dev = {
        .platform_data  = &tmu2_platform_data,
    },
    .resource   = tmu2_resources,
    .num_resources  = ARRAY_SIZE(tmu2_resources),
};

static struct platform_device *sh7710_devices[] __initdata = {
    &scif0_device,
    &scif1_device,
    &tmu0_device,
    &tmu1_device,
    &tmu2_device,
    &rtc_device,
};

static int __init sh7710_devices_setup(void)
{
    return platform_add_devices(sh7710_devices,
                    ARRAY_SIZE(sh7710_devices));
}
arch_initcall(sh7710_devices_setup);

static struct platform_device *sh7710_early_devices[] __initdata = {
    &scif0_device,
    &scif1_device,
    &tmu0_device,
    &tmu1_device,
    &tmu2_device,
};

void __init plat_early_device_setup(void)
{
    early_platform_add_devices(sh7710_early_devices,
                   ARRAY_SIZE(sh7710_early_devices));
}

void __init plat_irq_setup(void)
{
    register_intc_controller(&intc_desc);
    plat_irq_setup_sh3();
}